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manual abstract
The diagram below shows the advantage of the FlextraLink™ recording technology. Double Dynamic Suspension System (DDSS II) The DDSS II is an enhanced follow up to the DDSS anti-vibration system developed by ASUS. The DDSS CD-ROM technology is designed to reduce the vibration generated from spindle rotation of over 8900 rpm of 40X CD-ROM drives. The DDSS II improves this feature by handling up to over 10,000 rpm of the new 50X drives. In addition, the DDSS II stabilizes the pick-up head of the drive in both horizontal and vertical directions, making tracking and focusing even more precise. Like the DDSS, the DDSS II vibration absoption structure contains a “dynamic mass” that can absorb the vibration caused by high revolution of spindle motor. However, the DDSS II moves the dynamic mass to be suspended to the chassis, thus providing more stability and accuracy when accessing data from the disc. The following diagram illustrates the DDSS/DDSS II design structure. DDSS / DDSS II Design Structure ASUS CRW-4824A User’s Manual Partial Constant Angular Velocity (P-CAV) Recording Technology The Partial Constant Angular Velocity (P-CAV) recording method is a combination of the Constant Angular Velocity (CAV) and Constant Linear Velocity (CLV) recording technologies. In CAV recording technology, the drive maintains a consistent rotation speed which will result in a variable transfer rate, while in CLV recording technology, the data transfer rate is kept at a fixed level by changing the rotation speed. P-CAV recording technology switches from CAV to CLV once the maximum transfer rate is reached. Unlike Zone Constant Linear Velocity (Z-CLV) recording, no links are produced in the P-CAV recording process, resulting in a higher average transfer rate. The following illustration compares the Partial Constant Angular Velocity (P-CAV) and Zone Constant Linear Velocity (Z-CLV) recording technologies. Partial CAV vs. Zone CLV 48x 40x 32x 24x 20x 16x 8x 0x P-CAV LEGEND: P-CAV Z-CLV Z-CLV Speed Time ASUS CRW-4824A User’s Manual Front Panel ¤ RecordableRecordableRecordable Rewritable High Speed 48X24X52XW R 1 2 3 45678 1. Headphone jack This jack allows you to connect a headphone with a stereo mini-plug. 2. Headphone volume dial This volume dial allows you to control the volume of the headphone connected to the drive. Turning the dial to the left decreases the volume, turning to the right increases volume. 3. Disc tray This tray holds the disc. 4. WRITE indicator (Red LED) This LED flashes while data is being written on the disc. 5. READ indicator (Green LED) This LED turns ON when you place a disc on the drive tray, and stays ON until you remove the disc. The LED flashes while data is being read from the disc. 6. Emergency eject pinhole In cases when you cannot eject a disc from the drive using the eject button due to power failure or software problems, insert a pin or a paper clip into this hole to manually eject the tray and the disc. 7. PLAY/SKIP button This button has two functions. If the drive is idle, pressing this button will start playing an audio disc (if one is currenly loaded in the drive) from the first track. While in the PLAY mode, pressing this button lets you skip to the next track on the disc. 8. STOP/EJECT button This button has two functions. Pressing this button at any time ejects the disc tray so you can place or remove a disc. While in PLAY mode, pressing this button stops playing the disc loaded in the drive. ASUS CRW-4824A User’s Manual ASUS CRW-4824A User’s Manual 15 Rear Panel 1. Digital audio connector This connector is for a digital signal output cable. 2. Analog audio connector This connector is for an analog signal output cable. 3. Jumper terminals These pins allow you to select either Master, Slave, or Cable Select mode for the CD-ROM device. 4. IDE connector This connector is for a 40-pin IDE cable to connect the drive to the IDE interface on the motherboard. 5. Power connector This DC connector is for a 4-pin power cable from the system power supply. NOTE: The jumper pins on the leftmost part of the rear panel are factory test pins. DO NOT cover these pins with jumper blocks. 1 2 3 4 5 Installation System Requirements Before installing and using the CD-RW drive, make sure that your computer system meets the following requirements. • IBM-compatible Pentium 166MHz or higher PC • Windows 98/98SE/ME/2000/XP/NT, Linux, MS-DOS • At least 64MB system memory (128MB is recommended) • An empty 5.25-inch external drive bay • HDD empty storage capacity of 100MB or more Average seek time: 20ms or less Transmission rate: 2 MB/s or more NOTE: Do not use a hard disk that calibrates thermally during operation. • Recommended media: 48X CD-R TDK, Ritek, LeadData, CMC, Prodisc, Sony, Taiyo Yuden CD-R Sony, TDK, Ricoh, Kodak, Mitsubishi Chemical, Taiyo Yuden, Yamaha, Philips, Ritek, Prodisc, Princo, Maxell, CMC CD-RW Sony, TDK, Ricoh, Yamaha, Mitsubishi Chemical, Ritek, Prodisc, AMT, CMC ASUS CRW-4824A User’s Manual...